최신Oracle MySQL 2021 Implementation Essentials - 1Z1-921무료샘플문제

A. to make it easier to change the PRIMARY KEY value

B. automatic storage of data in a sorted order

C. maintaining a history of row insertions or updates

D. exporting data faster with mysqldump

E. increasing performance when using select statements

F. preventing duplicate keys

A. --uncompress-and-apply-log

B. --decompress

C. --copy-back-and-apply-log

D. --apply-log-and-copy-back

E. --uncompress

A. Simple Authentication and Security Layer

B. Native Windows services

C. authentication via Pluggable Authentication Modules (PAMs)

D. SECURID authentication and authorization identity

E. connections through the local host via the UNIX socket file

F. authentication using SHA-256 password hashing

A. Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.

B. Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.

C. Altering the storage engine for all tables to memory to increase performance.

D. Edit the configuration file and increase the value for parallel_read_workers and reboot the server

E. Implementing a three-node, single-primary InnoDB Cluster.

A. A CLI-based wizard MySQL Enterprise Monitor, Agent, and a MySQL Repository database

B. A browser-based wizard to remotely deploy the MySQL Monitor Agent

C. A GUI for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database

D. A script (with an option file) for installing MySQL Enterprise Monitor, Agent, and a MySQL Repository database

E. A MySQL Enterprise Monitor to remotely deploy the MySQL Monitor Agent

A. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.

B. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.

C. Use mysqldump with the - -changesonly option.

D. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.

E. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.

A. Groups must be in even numbers; 2, 4, 6, 8.

B. use SSD,s for data and replication logs

C. The number of machines per group must be 3, 5, 7 or 9.

D. isolated machine resources

E. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM

F. Use Network-attached storage (NAS) for the data files.

G. Networks must be in separate regions.

A. Only during scheduled maintenance windows.

B. Only when the database size exceeds a certain limit.

C. After every successful query execution.

D. After critical data updates or before making significant changes to the database.